#transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: black; /* change color or add logo if you want */
  z-index: 9999;
  transform: translateY(100%);
  pointer-events: none;
  display: none;
}

body {
  opacity: 0; /* hide body initially */
  overflow-x: hidden; /* optional: prevent horizontal scroll during animation */
}